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Process calibrators are essential tools for ensuring accuracy and reliability in industrial measurement and control systems. Selecting the right calibrator directly impacts operational efficiency, safety, and product quality by guaranteeing that critical instruments are functioning within specified tolerances. This guide will help you navigate the key considerations for choosing a calibrator that meets your specific needs.
The Fluke 725 Multifunction Process Calibrator is a powerful, yet easy-to-use field calibrator. Use the measure and source functions to test and calibrate almost any process parameter
Small, streamlined shape, rugged, reliable design stands up to field use
Easy to read measure/source screen lets you view input and output simultaneously
Measure volts, mA, RTDs, thermocouples, frequency, and ohms to test sensors and transmitters
Source/simulate volts, mA, thermocouples , RTDs, frequency, ohms, and pressure to calibrate transmitters
Built in fast-acting one time fuse can prevent most of the instrument damage caused by incorrect insertion of above 110v city power.
AD, DA, reference voltage, operational amplifier and other important chips are all of high precision, high temperaturestability, to improve the temperature stability and long-term aging performance of instrument.
The sensitivity of the thermal resistance and the resistance output to the external exactiation current are reduced in the circuit structure.
Increased the output accurarcy. It is suitable for constant current and non-constant current of the external exactiation current, which enlarges the usable range of the instrument.
High speed response key without any delay. The LB02 functions cover most of the functions required for the maintenace of PLC, DCS, ESD, filed instrument, control valves, frequency converters and so on, with high accuracy and long term stability.
Multifunction Calibration - Sources and measures DC current (0-24 mA), voltage (0-20 V and 0-2000 mV), and eight thermocouple types (J, K, T, E, C, R, S, N), complete with Cold Junction Compensation.
24 V Loop Power - Provides loop excitation power for calibrating 2‑wire current transmitters without needing external power.
User Presets & High Accuracy - Store up to five customizable calibration presets. Enjoy precision readings with typical accuracy of ±(0.01% + 1 digit) for current and voltage sources.
Intuitive Display & Ergonomic Design - Large, backlit dot-matrix LCD housed in a palm-sized double-molded casing for readability and comfort in any environment.
Ready-to-Use Kit - Includes test leads, alligator clips, thermocouple and universal calibration cables, a universal 100-240 VAC adapter with four international plugs, six AA batteries, and a rugged hard carrying case.
【4–20mA Signal Generator】High-precision industrial signal generator and process calibrator supports voltage signal output (0–30V / 0–24mV / 0–100mV),active & passive current loop calibration (0–24mA / 4–20mA),and thermocouple calibrator...
【Backlit LCD Display | Industrial Accuracy】 Industrial grade PLC test signal generator features a high-definition backlit LCD, clear keypad layout, and automatic cold junction compensation for thermocouple measurement and calibration. Suitable for...
【Programmable Signal Generation】 Offers step (STEP), linear sweep (SWEEP), and split (n/m) modes with adjustable time and cycle parameters to accurately simulate industrial process signals and control loops.
【Portable Dual Power Design】Portable Loop Calibrator comes with a free carrying case; Powered by AAA batteries or external （5V adapter4h continuous use / 17h standby ）LCD displays real-time battery level, suitable for on-site operations and...
【Industrial-Grade Application】 Designed for PLC debugging, transmitter testing, sensor simulation, and process calibration in industrial automation, manufacturing, and MRO environments.
VA720 RTD Process Calibrator is a exactitude measurement and source instrument, it can be use to calibrate the RTD* transmitter (include most impulse transmitter).
VA720 RTD Process Calibrator sources and measure 7 RTD type devices (PT10, PT50, PT100, PT200, PT500, PT1000(385), PT100(JIS) ) or Ω.
Large 5 diqit LCD with full angel
High accuracy maximum up to 0.2°C and 0.1Ω
Mesurinag and Simulating RTD
Temperature accurate to ±0.2°C with 0.1 Resolution
Operating Temperature: 0°C to 50°C | Operating Humidity: <80% RH | Storage Temperature: < -10°C to 55°C | Storage Humidity: < 90% RH | Coeddicient: 5°C to 18°C, 28°C to 40°C | Safety: Complies with IEC 1010 (Safety Standard issued by International...
Power: Two 1.5V Alkaline batteries (LR6)(Not Included) | Power Consumption: 400mA/3V, in condition of 1K Q load and 20mA output | Maximum voltage: 30V (Within terminals or between terminal and earth ground)
Supply Scope: 1 Unit of BTH C-10 Process Calibrator, Instruction Manual, Industrial Testing Leads CS-36 (Clips for Probe) | Applications: Process Control Instruments, Temperature & Pressure Transmitters.
Last update on 2026-06-16 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Process Calibrators
Safety and Certification
Ensure any calibrator you consider meets relevant safety standards (e.g., ATEX for hazardous environments) and carries appropriate certifications. Proper calibration and maintenance of the calibrator itself are also crucial for maintaining its accuracy and reliability over time. Always refer to the manufacturer's specifications and user manual for detailed information on operation and safety.
Frequently Asked Questions
What is a process calibrator used for?
A process calibrator is used to measure, generate, and simulate electrical and physical signals. Its primary purpose is to verify and adjust the accuracy of instruments like transmitters, controllers, and indicators in industrial processes.
What types of signals can most calibrators measure or generate?
Most process calibrators can measure and generate standard industrial signals such as voltage, current (mA), resistance, and temperature (using RTD or thermocouple inputs). Some advanced models also handle frequency or pressure signals.
Is HART communication important?
Yes, HART (Highway Addressable Remote Transducer) communication is crucial for calibrating modern smart transmitters. It allows for two-way digital communication alongside the analog signal, enabling advanced configuration and diagnostics.
How do I choose between a handheld and a benchtop calibrator?
Handheld calibrators are ideal for field service and general-purpose calibration due to their portability. Benchtop models are better suited for laboratory environments where higher accuracy, more complex functions, and dedicated workspace are needed.
What does 'accuracy' mean for a calibrator?
Accuracy refers to how close the calibrator's output or measurement is to the true value. It's usually expressed as a percentage of reading plus a fixed offset, and higher accuracy means more precise calibration results.
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